1396866732563 has 2 divisors, whose sum is σ = 1396866732564. Its totient is φ = 1396866732562.

The previous prime is 1396866732551. The next prime is 1396866732629. The reversal of 1396866732563 is 3652376686931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1396866732563 - 2³² = 1392571765267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1396866732563.

It is not a weakly prime, because it can be changed into another prime (1396866732523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 698433366281 + 698433366282.

It is an arithmetic number, because the mean of its divisors is an integer number (698433366282).

Almost surely, 2^{1396866732563} is an apocalyptic number.

1396866732563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1396866732563 is an equidigital number, since it uses as much as digits as its factorization.

1396866732563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176359680, while the sum is 65.

The spelling of 1396866732563 in words is "one trillion, three hundred ninety-six billion, eight hundred sixty-six million, seven hundred thirty-two thousand, five hundred sixty-three".